【简答题】计算 30÷3= 60÷2= 400÷2= 800÷4= 9000÷3 5000÷5.
【简答题】15÷5= 80÷2= 90÷3= 600÷3= 21÷7= 19÷8= 63÷7= 2400÷6= 4000÷8= 900÷3= 500÷5= 400÷2=
【简答题】A. evaluates B. estimates C. measures D. counts
【简答题】(ii) evaluates the relative performance of the four depots as indicated by the ysis in the summary table prepared in (i) (5 marks)